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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.inputmethod.keyboard.internal;
     18 
     19 import com.android.inputmethod.latin.Constants;
     20 
     21 import java.util.HashMap;
     22 
     23 public final class KeyboardCodesSet {
     24     public static final String PREFIX_CODE = "!code/";
     25 
     26     private static final HashMap<String, Integer> sNameToIdMap = new HashMap<>();
     27 
     28     private KeyboardCodesSet() {
     29         // This utility class is not publicly instantiable.
     30     }
     31 
     32     public static int getCode(final String name) {
     33         Integer id = sNameToIdMap.get(name);
     34         if (id == null) throw new RuntimeException("Unknown key code: " + name);
     35         return DEFAULT[id];
     36     }
     37 
     38     private static final String[] ID_TO_NAME = {
     39         "key_tab",
     40         "key_enter",
     41         "key_space",
     42         "key_shift",
     43         "key_capslock",
     44         "key_switch_alpha_symbol",
     45         "key_output_text",
     46         "key_delete",
     47         "key_settings",
     48         "key_shortcut",
     49         "key_action_next",
     50         "key_action_previous",
     51         "key_shift_enter",
     52         "key_language_switch",
     53         "key_emoji",
     54         "key_alpha_from_emoji",
     55         "key_unspecified",
     56     };
     57 
     58     private static final int[] DEFAULT = {
     59         Constants.CODE_TAB,
     60         Constants.CODE_ENTER,
     61         Constants.CODE_SPACE,
     62         Constants.CODE_SHIFT,
     63         Constants.CODE_CAPSLOCK,
     64         Constants.CODE_SWITCH_ALPHA_SYMBOL,
     65         Constants.CODE_OUTPUT_TEXT,
     66         Constants.CODE_DELETE,
     67         Constants.CODE_SETTINGS,
     68         Constants.CODE_SHORTCUT,
     69         Constants.CODE_ACTION_NEXT,
     70         Constants.CODE_ACTION_PREVIOUS,
     71         Constants.CODE_SHIFT_ENTER,
     72         Constants.CODE_LANGUAGE_SWITCH,
     73         Constants.CODE_EMOJI,
     74         Constants.CODE_ALPHA_FROM_EMOJI,
     75         Constants.CODE_UNSPECIFIED,
     76     };
     77 
     78     static {
     79         for (int i = 0; i < ID_TO_NAME.length; i++) {
     80             sNameToIdMap.put(ID_TO_NAME[i], i);
     81         }
     82     }
     83 }
     84